Agreed. The first step is always to establish what matters most to your company and your team. From there you'll have a clearer picture of what your ideal destination is and then you can draft OKRs accordingly. Here's a simple online guide on How to write great OKRs: https://www.perdoo.com/how-to-write-great-okrs/.
Another good place to start is the Ultimate guide to OKR: https://www.perdoo.com/the-ultimate-okr-guide/.
Hope that helps!